Telephone handsets; Telephone handsets for domestic use; Telephone handsets incorporating microphones; Telecommunications apparatus; Telecommunications apparatus for transmission purposes; Telecommunications equipment; Computer apparatus; Computer hardware; Computer modems; Computer peripheral devices; Computer software; Apparatus for transmitting data via the telephone; Cellular telephones; Telephone cards (coded); Telephone equipment; Mobile phone covers; Phone covers (specifically adapted); Microphones; Audio equipment; Data processing equipment; Holders adapted for mobile phones; Encoded telephone cards; Smart cards (integrated circuit cards); Smart cards (machine readable cards); Communication apparatus; Communications systems; Transmitting apparatus for use in communications; Video apparatus; Video communications apparatus; Cellular mobile telephones; Mobile phone cases; Mobile telephones; Protective films adapted for mobile phone screens; Hands free kits for phones; Rechargeable cellular telephone batteries; Earphones (other than hearing aids for the deaf); Headphones; Apparatus for telephone communication